Astronomy college course/How big is everything?
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- How big is everything
Earth and Moon
Earth-Moon distance
Terrestial planets
Planets
Planets and Sun
Stars larger than the Sun
From largest to smallest: Jupiter's orbit, red supergiant star Betelgeuse, Mars' orbit, Earth's orbit, star R Doradus, and orbits of Venus, Mercury. Inside R Doradus' depiction are the blue giant star Rigel and red giant star Aldebaran. The faint yellow glow around the Sun represents one light minute. Click image to see more details and links to their scales.
How old is everything?[edit]
